Application Note www.vsep.com Background Electro-chemical machining (ECM) technology is a relatively new process that is utilized by aviation engine parts manufacturers. The parts manufactured include: forged cases for turbine engines, gas turbine fan and compressor blades, and machined turbine vanes, blades, disks, seals and shrouds. This technology is used to produce turbine engine components primarily from nickel-based and titanium-b

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